	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	11,078	$33,702,516	+9%	372,362	24	88	2.20
2023	10,220	$30,961,876	+14%	327,642	23	81	2.20
2022	9,294	$27,138,499	+4%	280,071	21	77	2.20
2021	8,794	$26,198,333	+19%	263,923	21	77	2.20
2020	7,693	$22,018,282	first year in data	216,727	20	72	2.20

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.

By state

	observed	calculated	calculated	calculated	calculated
California	992	$3,121,273	32,038	23	78
Florida	694	$2,441,275	23,991	24	81
New York	571	$2,265,617	20,988	26	95
Texas	763	$2,182,919	24,363	22	88
Minnesota	495	$1,809,651	16,807	25	87
Illinois	550	$1,555,508	16,832	22	81
Pennsylvania	514	$1,432,344	17,561	23	85
Maryland	257	$1,296,601	11,826	36	125
Massachusetts	301	$1,267,930	14,320	27	137
North Carolina	385	$1,228,961	13,533	24	100
Virginia	337	$1,211,418	13,432	25	106
Ohio	367	$1,059,820	13,210	25	103
Michigan	378	$908,391	11,400	23	69
New Jersey	292	$901,918	9,643	21	113
Georgia	292	$776,049	9,318	23	79

Not listed: 6 billers with an armed-forces or unknown state code (AA, AE, AP, XX); they are in the national totals.

Not listed: 2 states with fewer than 11 billers (small cells).

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Providers placed by practice address. Data year 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	559	$2,321,850	21,449	26
Chicago-Naperville-Elgin, IL-IN	413	$1,227,363	12,961	22
Los Angeles-Long Beach-Anaheim, CA	322	$1,009,892	10,720	22
Minneapolis-St. Paul-Bloomington, MN-WI	377	$1,003,476	12,333	26
Boston-Cambridge-Newton, MA-NH	223	$999,835	11,049	26
Baltimore-Columbia-Towson, MD	181	$934,846	8,512	37
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	300	$933,210	10,727	22
Dallas-Fort Worth-Arlington, TX	264	$744,800	8,120	21
Rochester, MN	77	$732,586	3,481	27
Washington-Arlington-Alexandria, DC-VA-MD-WV	142	$707,281	6,677	32
Houston-Pasadena-The Woodlands, TX	193	$663,140	7,347	25
Phoenix-Mesa-Chandler, AZ	142	$553,877	5,578	29
Miami-Fort Lauderdale-West Palm Beach, FL	173	$459,199	5,229	22
Seattle-Tacoma-Bellevue, WA	164	$447,541	5,498	21
Jacksonville, FL	102	$441,619	4,170	27

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 74174 nationally

Diagnostic Radiology accounts for 85% of payment for 74174 nationally in 2024, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	9,978	90%	$28,675,987	85%	327,960	33
Interventional Radiology	747	6.7%	$2,914,325	8.6%	31,182	42
Cardiology	142	1.3%	$785,180	2.3%	5,877	41
Independent Diagnostic Testing Facility (IDTF)	85	0.77%	$715,337	2.1%	2,911	34
Interventional Cardiology	35	0.32%	$248,874	0.74%	1,208	35
Internal Medicine	17	0.15%	$93,311	0.28%	853	50
Vascular Surgery	13	0.12%	$70,017	0.21%	724	56
Nuclear Medicine	22	0.20%	$51,971	0.15%	592	27

Not listed: 20 specialties with fewer than 11 billers (small cells).

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Provider-level lines (fewer than 11 beneficiaries suppressed by CMS); specialty is the provider type on claims. Data year 2024.

Top billers of 74174 nationally

Named top billers are a Pro figure, and Pro is not available to buy, so this list is not shown to any account. The counts and totals by state, metro area and specialty on this page are free.

Original Medicare Part B fee-for-service only; CMS suppresses provider lines with fewer than 11 beneficiaries. How these figures are computed · Limitations